Home / 5,421,009.80-7,481,228.10-3,245,131.92

Finding the Fourth Proportional to 5,421,009.80, 7,481,228.10 and 3,245,131.92

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Solution

The fourth proportional to 5,421,009.80, 7,481,228.10 and 3,245,131.92 is: 4,478,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,009.80 : 7,481,228.10 = 3,245,131.92 : x
  2. Step 2: Convert to fraction form
    5,421,009.80/7,481,228.10 = 3,245,131.92/x
  3. Step 3: Cross multiply
    5,421,009.80x = 7,481,228.10 × 3,245,131.92
  4. Step 4: Simplify right side
    5,421,009.80x = 24,277,572,108,110.95
  5. Step 5: Solve for x
    x = 24,277,572,108,110.95/5,421,009.80
  6. Step 6: Final answer
    x = 4,478,422.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.